Envelope

Details Envelope Envelope

1977-02-11

1978-09-12

Hart, Ro E.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

70 68, 292282, 292284, 292286, 292307R, B65D 5506

Patent

active

041129903

ABSTRACT:
A re-usable envelope having a zip closure which can be locked closed by a sealing device. The sealing device is of plastics material, one part being mounted to the envelope and the other part being engageable therewith, the sealing device only being operable by breaking said other part. The zip tag includes a part for manual engagement to facilitate closing of the sealing device.

REFERENCES:
patent: 2114683 (1938-04-01), Kates
patent: 2188620 (1940-01-01), Boenecke
patent: 2310627 (1943-02-01), Greene
patent: 3978697 (1976-09-01), Bako
patent: 4008914 (1977-02-01), Anderson
patent: 4019353 (1977-04-01), Christopher
patent: 4031724 (1977-06-01), Atkinson

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